ATOS vs. HOOD

Last updated Apr 1, 2026

Compare and contrast key facts about Atossa Therapeutics, Inc. (ATOS) and Robinhood Markets, Inc. (HOOD).

Performance

ATOS vs. HOOD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Atossa Therapeutics, Inc. (ATOS) and Robinhood Markets, Inc. (HOOD). The values are adjusted to include any dividend payments, if applicable.

ATOS vs. HOOD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ATOS Atossa Therapeutics, Inc.	-40.56%	-37.51%	7.28%	66.51%	-66.97%	-58.97%
HOOD Robinhood Markets, Inc.	-38.73%	203.54%	192.46%	56.51%	-54.17%	-48.99%

Fundamentals

EPS ATOS : -$3.50 HOOD : $2.06
Total Revenue (TTM) ATOS : $0.00 HOOD : $3.60B
Gross Profit (TTM) ATOS : -$16.00K HOOD : $2.69B
EBITDA (TTM) ATOS : -$32.28M HOOD : $1.51B

Returns By Period

The year-to-date returns for both investments are quite close, with ATOS having a -40.56% return and HOOD slightly higher at -38.73%.

ATOS

• 1D: 11.68%
• 1M: 18.74%
• YTD: -40.56%
• 6M: -59.55%
• 1Y: -47.89%
• 3Y*: -21.50%
• 5Y*: -30.48%
• 10Y*: -40.00%

HOOD

• 1D: 6.35%
• 1M: -8.64%
• YTD: -38.73%
• 6M: -51.60%
• 1Y: 66.51%
• 3Y*: 92.53%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

ATOS vs. HOOD — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ATOS

ATOS Risk / Return Rank: 17
ATOS Sharpe Ratio Rank: 15
ATOS Sortino Ratio Rank: 18
ATOS Omega Ratio Rank: 19
ATOS Calmar Ratio Rank: 20
ATOS Martin Ratio Rank: 15

HOOD

HOOD Risk / Return Rank: 70
HOOD Sharpe Ratio Rank: 74
HOOD Sortino Ratio Rank: 73
HOOD Omega Ratio Rank: 69
HOOD Calmar Ratio Rank: 67
HOOD Martin Ratio Rank: 67

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ATOS vs. HOOD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Atossa Therapeutics, Inc. (ATOS) and Robinhood Markets, Inc. (HOOD). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	ATOS	HOOD	Difference
Sharpe ratio Return per unit of total volatility	-0.61	0.94	-1.55
Sortino ratio Return per unit of downside risk	-0.56	1.69	-2.25
Omega ratio Gain probability vs. loss probability	0.93	1.20	-0.28
Calmar ratio Return relative to maximum drawdown	-0.64	1.14	-1.78
Martin ratio Return relative to average drawdown	-1.32	2.79	-4.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ATOS vs. HOOD - Sharpe Ratio Comparison

The current ATOS Sharpe Ratio is -0.61, which is lower than the HOOD Sharpe Ratio of 0.94. The chart below compares the historical Sharpe Ratios of ATOS and HOOD, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ATOS	HOOD	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.61	0.94	-1.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.39	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.26	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.30	0.22	-0.52

Correlation

The correlation between ATOS and HOOD is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ATOS vs. HOOD - Dividend Comparison

Neither ATOS nor HOOD has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

ATOS vs. HOOD - Drawdown Comparison

The maximum ATOS drawdown since its inception was -99.99%, which is greater than HOOD's maximum drawdown of -90.21%. Use the drawdown chart below to compare losses from any high point for ATOS and HOOD.

Drawdown Indicators

	ATOS	HOOD	Difference
Max Drawdown Largest peak-to-trough decline	-99.99%	-90.21%	-9.78%
Max Drawdown (1Y) Largest decline over 1 year	-77.74%	-57.26%	-20.48%
Max Drawdown (5Y) Largest decline over 5 years	-96.95%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-99.63%	—	—
Current Drawdown Current decline from peak	-99.98%	-54.55%	-45.43%
Average Drawdown Average peak-to-trough decline	-93.51%	-61.47%	-32.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	37.68%	23.43%	+14.25%

Volatility

ATOS vs. HOOD - Volatility Comparison

Atossa Therapeutics, Inc. (ATOS) has a higher volatility of 25.78% compared to Robinhood Markets, Inc. (HOOD) at 18.01%. This indicates that ATOS's price experiences larger fluctuations and is considered to be riskier than HOOD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATOS	HOOD	Difference
Volatility (1M) Calculated over the trailing 1-month period	25.78%	18.01%	+7.77%
Volatility (6M) Calculated over the trailing 6-month period	67.40%	50.04%	+17.36%
Volatility (1Y) Calculated over the trailing 1-year period	78.69%	71.27%	+7.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	78.39%	73.95%	+4.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	155.92%	73.95%	+81.97%

Financials